Kenmore 70 series dryer control/timer knob doesn't turn when running

The control knob no longer turns while the dryer is running. The dryer still heats up and drys the clothes, but if I don't turn the dryer off manually, it will run forever (and eventually overheat, I assume). How do I fix this? Replace the control knob mechanism?

THE TIMER HAS A SMALL DRIVE MOTOR THAT TURNS THE TIMER AT DIFFERENT SPEEDS FOR DIFFERENT CYCLES AND VARIES FROM BRAND TO BRAND BUT EITHER WAY YOU MUST REPLACE THE TIMER , EXPENSIVE FIX IF THE DRYER IS WORTH IT THAT SHOULD TAKE CARE OF THE PROBLEM

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On a 70 series dryer, the knob on the far right of the panel controls the signal. You can turn it left or right to set the signal to "On" or "Off."

If you've set it to Off and the signal still comes on, that switch that sits behind the knob is bad. It's the same switch that controls when the dryer starts. You can either try to repair it (by bending the contacts back into their original alignment) or replace it. A new switch is less than $10, and you can get one many places online, including from PartSelect.com:

Hi, you can turn the signal off by using the start button on the dryer (located on the right side of the panel under the words "Push to start dryer"). Turn the knob to the left to turn the signal off, or to the right to turn it on. Each side should be labeled, but the lettering may have worn off over time.

If you've turned the knob to the left and it still signals at the end of a cycle, the switch that controls the signal may be broken.

Yes it deffinetley sounds like you may have a timer issue, if your timer stops and the dryer is running, or if the timer keeps going around and around this will be the problem, however there are thermostats inside the dryer and if you have it set on a HEAT and not a TIMED setting the thermostats won't advance the timer because they havent been set.Hope this helps

Hi, the problem with the dryer not stopping is most likely the switch that controls when it starts. This switch is located behind the button you would push in to start the dryer, and if you can take off the rear panel and get to it, you can most likely adjust the internal contacts so that they don't continuously make contact. Or you could just replace the switch, which might be easier!